About: http://webisa.webdatacommons.org/91173342

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	On the other hand, it does have some sort of negation, so maybe this is not what you were looking for?
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com